ZIP code 51201 is in Sheldon (86% of residents), in O'Brien County (89%), Sioux County (11%) and Lyon County (0.2%), Iowa. 14% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate districts are State Senate District 3 (89%) and State Senate District 2 (11%); its state house districts are State House District 5 (89%) and State House District 4 (11%).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
6 voting precincts overlap ZIP 51201.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:51201")
ZIP 51201 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code;
PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.